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JOHN21BLACK's Avatar
 
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915 clutch mystery

Just put new clutch kit with release bearing. I have done many over the years,but this time when I push clutch pedal it slows down my motor to a stall. Motor runs fine at idle and revs fine. Has any one had this problem? HELP!

Old 04-30-2015, 09:13 PM
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It comes back out and then you will be able to figure out why.
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Old 04-30-2015, 10:19 PM
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What is part number pressure plate.
Old 05-01-2015, 03:25 AM
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I know on a G50 that if you put the clutch disc on the wrong way, it will catch on the guide tube and lock. Not sure if this can happen with a 915. Hopefully, better minds than mine will chime in.
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Old 05-01-2015, 05:55 AM
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Before you drop again. Have a helper press the clutch as you feel the top of the fork and release bearing via the inspection hole on top of the gear box to see if it moves fore and aft.
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Old 05-02-2015, 01:16 AM
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I had a car come in many years ago with this same set of conditions

The disc was in backwards.

But that was that car
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Old 05-02-2015, 06:16 AM
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I did use a camera threw view hole and saw top of fork and bearing move front to back. Have not tried it with motor running to see if bearing is spinning. Trying that next.
Old 05-02-2015, 05:42 PM
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you guys got me thinking about the disc being backwards. Which way does it go in? I thought cone side faces foward
Old 05-02-2015, 05:53 PM
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The cone faces away from the engine, so it does face forward of the car
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Old 05-02-2015, 06:16 PM
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well just looked with camera and disc is facing foward. I could tell by the rivits on disc. they are covered up by disc. If it was backwards the rivits would be in clear view.
Old 05-02-2015, 06:55 PM
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pressure plate part # 915.116.001.27
Old 05-02-2015, 07:10 PM
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Year/model?
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Old 05-03-2015, 05:27 AM
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Quote:
Originally Posted by kodioneill View Post
year/model?
. 1976 911s
Old 05-03-2015, 07:17 AM
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1976 911s 2.7
Old 05-03-2015, 07:20 AM
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this is a pic of release bearing on guide tube. Whats the distance from bearing to bottom of guide tube? I felt with my finger and it feels about 5/8 in. Clutch engages about half of that.
Old 05-06-2015, 03:17 PM
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Here are some pics of motor. Just got it back in.

Old 05-06-2015, 03:31 PM
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clutch works fine now. shifts into gear easy. thanks for all the help
Old 05-07-2015, 06:53 PM
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What was it?
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Old 05-07-2015, 06:55 PM
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Well, what was the problem, and the fix?
It would be nice to know so that the next guy can benefit from all the help. You will not be the only one to ever have this problem...
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Old 05-08-2015, 07:13 AM
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Great looking motor.
I guessing he was pressing on the brake, not the clutch. Until he tells us, that's my guess.

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Old 05-08-2015, 08:36 AM
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